简介:7月4日甲骨文在美国总部宣布,作为对Java研发人员的承诺,将对所有研发人员免费开放OracleJDeveloper10g。此外,甲骨文正计划在EclipseFoundation开源社区中带头推行JavaServerFaces(JSF)界面,还将作为主要参与者加入ApacheMyFaces项目。
简介:Inthispaper,thesmoothconnectionbetweentwoB-splinesurfacesisdiscussed.First,abriefproofofsomesimplesufficientconditionsofG~0andG~1continuityisgiven.Onthisbasis,anovelmethodforG~0orG~1connectionbetweentwoadjacentB-splinesurfacesispresented.Areparameterizationstepisfirstlytakenforoneofthesurfacessuchthattheyhavethesameparameterizationinvdirection,then,adjusttheirboundarycontrolverticestomakethemG~0orG~1connected.TheG~1connectionparameterisdeterminedbyanoptimizationproblem.Comparedwiththeexistedmethods,ourmethodissimpleandeasytobeusedinpractice.